10212105855 has 16 divisors (see below), whose sum is σ = 18673565184. Its totient is φ = 4668391200.

The previous prime is 10212105851. The next prime is 10212105979. The reversal of 10212105855 is 55850121201.

It is not a de Polignac number, because 10212105855 - 2² = 10212105851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212105851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48628971 + ... + 48629180.

It is an arithmetic number, because the mean of its divisors is an integer number (1167097824).

Almost surely, 2^10212105855 is an apocalyptic number.

10212105855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10212105855 is a deficient number, since it is larger than the sum of its proper divisors (8461459329).

10212105855 is an equidigital number, since it uses as much as digits as its factorization.

10212105855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97258166.

The product of its (nonzero) digits is 4000, while the sum is 30.

The spelling of 10212105855 in words is "ten billion, two hundred twelve million, one hundred five thousand, eight hundred fifty-five".